A live wet-bulb check. Can snowmakers run where you are, and when?

How this works
We pull NOAA's hourly forecast for your location and calculate the wet-bulb temperature for each hour. Snowmakers rely on wet-bulb because it accounts for both cold and dry air — the two conditions that let water droplets freeze in flight. Below 28°F−2°C they can run; below 25°F−4°C the snow is good quality.
NO

40°F4°C wet-bulb in Mt. Baker, WA

43°F6°C air · 81% humidity

Too warm for snowmaking
Colder Snowmaking line 28°F−2°C Warmer

Next snowmaking window: tomorrow 8 AM – 10 AM.

Next 48 hours wet-bulb by hour; columns below the line are snowmaking hours
28°F−2°C 27°F−3°C Now Fri Sat

Use the left and right arrow keys to step through hours.

  • Ideal
  • Great
  • Marginal
  • Too warm
  • Night
Hourly table
HourAirHumidityWet-bulbSnowmaking
Thu 5 PM43°F6°C81%39.7°F4.3°CToo warm
Thu 6 PM41°F5°C86%38.6°F3.6°CToo warm
Thu 7 PM39°F4°C86%36.6°F2.6°CToo warm
Thu 8 PM39°F4°C86%36.6°F2.6°CToo warm
Thu 9 PM38°F3°C85%35.5°F1.9°CToo warm
Thu 10 PM37°F3°C85%34.5°F1.4°CToo warm
Thu 11 PM37°F3°C84%34.4°F1.3°CToo warm
Fri 12 AM36°F2°C82%33.1°F0.6°CToo warm
Fri 1 AM36°F2°C80%32.8°F0.5°CToo warm
Fri 2 AM36°F2°C78%32.6°F0.3°CToo warm
Fri 3 AM36°F2°C76%32.3°F0.2°CToo warm
Fri 4 AM35°F2°C76%31.3°F−0.4°CToo warm
Fri 5 AM34°F1°C74%30.1°F−1.0°CToo warm
Fri 6 AM34°F1°C71%29.8°F−1.2°CToo warm
Fri 7 AM33°F1°C70%28.7°F−1.8°CToo warm
Fri 8 AM32°F0°C68%27.5°F−2.5°CMarginal
Fri 9 AM33°F1°C63%27.9°F−2.3°CMarginal
Fri 10 AM36°F2°C56%29.8°F−1.2°CToo warm
Fri 11 AM39°F4°C47%31.4°F−0.3°CToo warm
Fri 12 PM40°F4°C42%31.6°F−0.2°CToo warm
Fri 1 PM41°F5°C42%32.5°F0.3°CToo warm
Fri 2 PM42°F6°C40%33.0°F0.6°CToo warm
Fri 3 PM42°F6°C40%33.0°F0.6°CToo warm
Fri 4 PM43°F6°C44%34.4°F1.3°CToo warm
Fri 5 PM40°F4°C52%32.8°F0.5°CToo warm
Fri 6 PM37°F3°C60%31.2°F−0.5°CToo warm
Fri 7 PM36°F2°C63%30.6°F−0.8°CToo warm
Fri 8 PM33°F1°C66%28.2°F−2.1°CMarginal
Fri 9 PM33°F1°C64%28.0°F−2.2°CMarginal
Fri 10 PM33°F1°C65%28.1°F−2.2°CMarginal
Fri 11 PM33°F1°C64%28.0°F−2.2°CMarginal
Sat 12 AM33°F1°C63%27.9°F−2.3°CMarginal
Sat 1 AM34°F1°C60%28.5°F−2.0°CToo warm
Sat 2 AM34°F1°C59%28.4°F−2.0°CMarginal
Sat 3 AM34°F1°C57%28.1°F−2.1°CMarginal
Sat 4 AM34°F1°C58%28.2°F−2.1°CMarginal
Sat 5 AM34°F1°C56%28.0°F−2.2°CMarginal
Sat 6 AM33°F1°C55%27.0°F−2.8°CMarginal
Sat 7 AM33°F1°C55%27.0°F−2.8°CMarginal
Sat 8 AM34°F1°C55%27.9°F−2.3°CMarginal
Sat 9 AM36°F2°C53%29.5°F−1.4°CToo warm
Sat 10 AM37°F3°C51%30.1°F−1.0°CToo warm
Sat 11 AM39°F4°C49%31.6°F−0.2°CToo warm
Sat 12 PM39°F4°C49%31.6°F−0.2°CToo warm
Sat 1 PM39°F4°C51%31.8°F−0.1°CToo warm
Sat 2 PM39°F4°C54%32.2°F0.1°CToo warm
Sat 3 PM39°F4°C59%32.8°F0.5°CToo warm
Sat 4 PM38°F3°C64%32.6°F0.3°CToo warm

Right now

Mostly cloudy
43°F6°C feels like 39°F4°C
Wind
6 mph9 km/h, gusts 12 mph19 km/h
Humidity
81%
Precipitation
6% chance

Snow forecast new snow, NOAA forecast

Next 24 h
0″0 cm
Next 48 h
0.1″0.3 cm
Next 72 h
0.2″0.5 cm
0.1″0.3 cm Now Fri Sat Sun

Use the left and right arrow keys to step through 6-hour periods.

Snowfall table
PeriodNew snow
Thu 5 PM – 11 PM0″0 cm
Thu 11 PM – 5 AM0″0 cm
Fri 5 AM – 11 AM0″0 cm
Fri 11 AM – 5 PM0″0 cm
Fri 5 PM – 11 PM0″0 cm
Fri 11 PM – 5 AM0″0 cm
Sat 5 AM – 11 AM0″0 cm
Sat 11 AM – 5 PM0.1″0.3 cm
Sat 5 PM – 11 PM0.1″0.3 cm
Sat 11 PM – 5 AM0″0 cm
Sun 5 AM – 11 AM0″0 cm
Sun 11 AM – 5 PM0″0 cm

7-day outlook

  1. This Afternoon 48°F9°C 32°F0°C Mostly Cloudy
  2. Fri 44°F7°C 32°F0°C Sunny
  3. Sat 41°F5°C 36°F2°C Chance Light Snow ❄︎ <0.5″<1.3 cm
  4. Sun 44°F7°C 36°F2°C Chance Rain And Snow
  5. Mon 45°F7°C 36°F2°C Chance Light Snow
  6. Tue 44°F7°C 34°F1°C Chance Light Snow ❄︎ <0.5″<1.3 cm
  7. Wed 45°F7°C 33°F1°C Slight Chance Light Snow

Forecast for 5 PM · NOAA grid updated 11:26 AM · grid elevation 4,265 ft

Checked at the base area (3,500 ft); the summit (5,089 ft) is usually colder.

Click a pin or anywhere on the map to check it.